Pricing Information

Category: CARBURETORS & RELATED COMPONENTS
ThunderMax '95-'01 Marelli EFI Conversion Kit




Stop cussing that early EFI system, just replace it! It’s no secret that the earlier Magnetti-Marelli EFI used on Evolution® and ’99-’01 TC88 baggers has ‘issues’—hard starting, erratic idle, harder yet to tune….if these are issues with your MM bike, this kit will solve them! We’ve taken our ThunderMax EFI electronics and throttle body (with the help of some specially made parts) and developed this conversion kit for bikes with the earlier systems. This kit allows you to retain the original wiring harness and gas tank, while upgrading to the same components used in our popular high performance Muscle series EFI engine kits.

Instant starting! Consistent idle! Superb performance! It’s all here in this kit, and our ever-growing library of high-resolution base maps and optional AutoTune means tuning (if needed at all!) will be quick and easy. Includes detailed installation instructions and SmarTune software. Available with OE 44mm, 50mm or 54mm throttle bodies. You’ll fall in love with your bike all over again!

Note: Cruise control cable mount not applicable on 1995-1997 models

To order, call 410-379-0909
Orders received by 5pm E.S.T. ship same day!
This item qualifies for *** FREE GROUND FREIGHT *** in the lower 48 states within the USA!

Download installation instructions HERE.

This system is legal in the State of California only for racing vehicles which may never be used upon a highway.

v.100608

Description Part Number

’99-‘01 TC 44mm Conversion kit for 88”-95” engines - $1459.00 # 517-098 Add to Cart

’99-‘01 TC 50mm Conversion kit for 95”-103” engines - $1849.00 # 117-050 Add to Cart

’99-‘01 TC 54mm Conversion kit for 107”-up engines - $1849.00 # 117-054 Add to Cart

ThunderMax AutoTune Module kit, original style (Adds Closed-Loop Operation to pre-2007 Gen 1 open loop ThunderMax ECM, firmware version 3.2 or higher) - $413.95 # 309-302 Add to Cart

’95-’98* EV 50mm Conversion kit for 80”-up engines - $1849.00 # 117-051 Add to Cart

’95-’98* EV 54mm Conversion kit for 107”-up engines - $1849.00 # 117-055 Add to Cart

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